3201667 has 4 divisors (see below), whose sum is σ = 3659056. Its totient is φ = 2744280.

The previous prime is 3201643. The next prime is 3201689. The reversal of 3201667 is 7661023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7661023 = 227 ⋅33749.

It is a de Polignac number, because none of the positive numbers 2^k-3201667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228684 + ... + 228697.

It is an arithmetic number, because the mean of its divisors is an integer number (914764).

Almost surely, 2^3201667 is an apocalyptic number.

3201667 is a deficient number, since it is larger than the sum of its proper divisors (457389).

3201667 is an equidigital number, since it uses as much as digits as its factorization.

3201667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457388.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 3201667 is about 1789.3202619990. The cubic root of 3201667 is about 147.3868441723.

The spelling of 3201667 in words is "three million, two hundred one thousand, six hundred sixty-seven".